/*
 *  Brno University of Technology
 *
 *  Copyright (C) 2009-2010 by Brno University of Technology and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://spl.utko.feec.vutbr.cz
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with this program.  If not, see http://www.gnu.org/licenses/.
 */
package cz.vutbr.feec.utko.ef.evolution;

/**
 * The Interface IFitnessEvaluator specify the methods for evaluation of
 * population individuals. As there is huge range of applicability of genetic
 * programming to a various of problems, for each case there is required to
 * implement a fitness function.
 */
public interface IFitnessEvaluator {
	
	/**
	 * Compute fitness value.
	 * 
	 * @param i
	 *            the tree chromozome
	 * 
	 * @return the double
	 */
	public double computeFitnessValue(Chromozome i);

	/**
	 * Gets the number of evaluations.
	 * 
	 * @return the number of evaluations
	 */
	public int getNumOfEvaluations();
}
